8 watt of 125 bulb to ligjting 12 hours how many elctricity it is consumed
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→ Electrical Energy = Power × time
- Time = hrs
- Electrical Energy = kWh
- Power = kW
8 W = 0.008 kW [1 W = 1/1000 kW]
→ Electrical Energy = 0.008 kW × 2 h
→ Electrical Energy = 0.096 kWh
Then 125 bulbs will consume
= 125 × 0.096 kWh
= 12 kWh or 12 units
Hence 12 units of energy is consumed.
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